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diewlasing writes to mention that Oxford scientists have proffered a mathematical answer to the parallel universe question that is gaining some support in the scientific community. "According to quantum mechanics, unobserved particles are described by 'wave functions' representing a set of multiple 'probable' states. When an observer makes a measurement, the particle then settles down into one of these multiple options. The Oxford team, led by Dr. David Deutsch, showed mathematically that the bush-like branching structure created by the universe splitting into parallel versions of itself can explain the probabilistic nature of quantum outcomes."

I did... and here's my solution. Basically, there are other branches where life sucks less, and others where life suck more, etc. I'm going to find the one where life sucks less and kill my alter ego so I can take their place!!!!!!!! (Of course, that means that there's ANOTHER me in an even suckier universe gunning for me, so better be quick!)

You'd better watch out - there may be a doppelganger of you looking to do the same thing...

So they say they have a mathematical description of the parallel universe theory. One can construct a mathematical model that describes the geocentric solar system perfectly well, but the the heliocentric version is much simpler.

And the whole dark matter/dark energy thing strikes me as a load of humbug... saying there must be some undetectable, magical force acting on all the matter in the universe because the calculations we've come up with so far are inaccurate strikes me as lazy and uncreative.

It worked once before. Calculations of the orbit of the planet Uranus were noticeably inaccurate; the planet wasn't quite where it ought to have been. One explanation was that this was the result of the gravitational effect of a large amount of dark matter. This dark matter was later found and named Neptune.